Words that have 'a' as the second letter and 'u' as third letter

Which word where the 2nd letter is 'a' and 3rd letter is 'u' is the most popular word in the dictionary?
There's 'cause' which ranks as the 498^th most common word.

In Scrabble, what's the highest number of points possible from words where the 2nd letter is 'a' and 3rd letter is 'u'?
With the number of words to decide on, it's best to opt for 'vauxhall' which scores 21 points.

How many characters does the biggest word on this list consist of?
The word 'caudatolenticular' contains 17 characters.

Which word where the 2nd letter is 'a' and 3rd letter is 'u' is the most unusual?
An example of an uncommon word from this page goes to 'cautel'. 'Cautel' is defined as "1. Caution; prudence; wariness. [Obs.] Fulke. 2. Craft; deceit; falseness. [Obs.] Shak.", according to the English dictionary.

How many words could one make from this combination of letters?
On this list of words where 'a' is the second letter and 'u' is the third letter, you have 1,623 combinations that are available.